:root{color-scheme:light;--ink:#202123;--muted:#70757d;--line:#e5e7eb;--paper:#fff;--side:#f7f7f5;--accent:#171717}*{box-sizing:border-box}body{margin:0;font:15px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--paper)}button,input,textarea{font:inherit}.login{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top,#f4f1ea,white 48%)}.card{width:min(440px,100%);padding:38px;border:1px solid var(--line);border-radius:24px;background:#fffc;box-shadow:0 24px 70px #20212312;text-align:center}.mark{width:46px;height:46px;border-radius:15px;background:var(--accent);color:white;display:grid;place-items:center;margin:auto;font:700 20px Georgia}.mark.small{width:30px;height:30px;border-radius:10px;margin:0;font-size:14px}.card h1{margin:18px 0 4px;font-size:27px}.card p,.card small{color:var(--muted)}label{display:block;text-align:left;margin:25px 0 14px;font-weight:600}input{display:block;width:100%;margin-top:7px;padding:13px 14px;border:1px solid #cfd2d6;border-radius:12px;outline:none}input:focus,textarea:focus{border-color:#888;box-shadow:0 0 0 3px #0000000d}.card button,.card a{display:block;width:100%;padding:13px;border:0;border-radius:12px;background:var(--accent);color:#fff;text-decoration:none;font-weight:650;cursor:pointer}.card small{display:block;margin-top:26px}.card strong{display:block;font-size:25px;letter-spacing:4px;margin:14px}.card a{margin:10px 0}.card span{display:block;color:var(--muted);font-size:13px}.app{height:100vh;display:grid;grid-template-columns:270px 1fr}aside{display:flex;flex-direction:column;background:var(--side);border-right:1px solid var(--line);min-width:0}aside header{padding:16px}.brand{display:flex;gap:10px;align-items:center;margin-bottom:18px}.new{width:100%;padding:10px 12px;text-align:left;border:1px solid #ddd;border-radius:10px;background:white;cursor:pointer}nav{flex:1;overflow:auto;padding:0 10px}.thread{display:flex;align-items:center;gap:4px;border-radius:9px;padding:3px;margin:2px 0}.thread.active{background:#eae9e5}.thread>button:first-child{flex:1;text-align:left;padding:8px;border:0;background:transparent;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.thread .dots{border:0;background:transparent;color:var(--muted);cursor:pointer}aside footer{padding:14px 16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.quiet{border:0;background:transparent;color:var(--muted);cursor:pointer}.chat{min-width:0;display:flex;flex-direction:column;height:100vh}.top{height:66px;padding:12px 20px;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:center}.top div{display:flex;flex-direction:column}.top span{font-size:12px;color:var(--muted)}#menu{display:none}.messages{flex:1;overflow:auto;padding:36px 20px 120px}.welcome{text-align:center;margin:12vh auto;color:var(--muted)}.welcome h2{color:var(--ink);font-size:26px;margin-bottom:4px}.message{max-width:780px;margin:0 auto 28px}.message.user{display:flex;justify-content:flex-end}.bubble{max-width:80%;padding:11px 15px;border-radius:18px;background:#f1f1ef;white-space:pre-wrap}.assistant .content{font-size:16px}.assistant pre{overflow:auto;background:#171717;color:#eee;padding:16px;border-radius:12px}.assistant code{background:#f1f1ef;padding:2px 5px;border-radius:5px}.assistant pre code{background:transparent;padding:0}.state{color:var(--muted);font-size:13px}#composer{position:absolute;bottom:0;left:calc(270px + (100vw - 270px)/2);transform:translateX(-50%);width:min(760px,calc(100vw - 310px));padding:12px 0 18px;background:linear-gradient(transparent,white 22%);display:grid;grid-template-columns:1fr auto;gap:8px}textarea{resize:none;max-height:180px;padding:14px 52px 14px 16px;border:1px solid #d6d7d8;border-radius:18px;box-shadow:0 5px 22px #0000000d;outline:none}#send,#stop{width:38px;height:38px;border-radius:12px;border:0;background:#171717;color:#fff;align-self:center;cursor:pointer}#composer small{grid-column:1/-1;text-align:center;color:var(--muted);font-size:11px}@media(max-width:760px){.app{grid-template-columns:1fr}aside{position:fixed;z-index:3;inset:0 22% 0 0;transform:translateX(-105%);transition:.2s;box-shadow:10px 0 40px #0003}aside.open{transform:none}#menu{display:block}#composer{left:50%;width:calc(100vw - 28px)}.messages{padding-inline:14px}.bubble{max-width:92%}}